T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
A235652
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =256a(1) =2272a(2) =2272a(3) =20164a(4) =75176a(5) =20164a(6) =131208a(7) =2723053a(8) =2723053a(9) =131208a(10) =853776a(11) =63898897a(12) =444495768a(13) =63898897a(14) =853776a(15) =4548852a(16) =1494414258a(17) =43576923092a(18) =43576923092a(19) =1494414258a(20) =4548852a(21) =24235929a(22) =26134209539
External references
- oeis: A235652